Add a callback so that a board can implement it's own specific routine to
toggle the port's nRESET line.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Stefano Babic <sba...@denx.de>
---
drivers/pci/pcie_imx.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c
index 0a74867..b554075 100644
--- a/drivers/pci/pcie_imx.c
+++ b/drivers/pci/pcie_imx.c
@@ -450,6 +450,13 @@ static int imx6_pcie_init_phy(void)
return 0;
}
+__weak int imx6_pcie_toggle_reset(void)
+{
+ /* This function ought to be overridden ! */
+ puts("WARNING: Make sure the PCIe nRESET line is connected!\n");
+ return 0;
+}
+
static int imx6_pcie_deassert_core_reset(void)
{
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
@@ -466,10 +473,9 @@ static int imx6_pcie_deassert_core_reset(void)
* Wait for the clock to settle a bit, when the clock are sourced
* from the CPU, we need about 30mS to settle.
*/
- mdelay(30);
+ mdelay(50);
- /* FIXME: GPIO reset goes here */
- mdelay(100);
+ imx6_pcie_toggle_reset();
return 0;
}
--
1.8.4.2
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